共 40 条
[2]
ALLEN R, 1976, Q J MED, V45, P533
[4]
CUTLER JA, 1981, DIG DIS SCI S, V26, P90
[6]
DRONFIELD MW, 1977, LANCET, V1, P1167
[7]
EASTWOOD GL, 1981, DIG DIS SCI S7, V26, P22
[9]
FLEISCHER D, 1983, GASTROENTEROLOGY, V84, P538